Steam traps

Thermodynamic

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TI-P150-11

ST Issue 3

TD120M

High Pressure

Thermodynamic Steam Trap with Replaceable Seat

Description

The TD120M is a maintainable high pressure thermodynamic

steam trap with integral strainer and a replaceable seat to ease

maintenance, which can be supplied in 1⁄2", 3⁄4" and 1" sizes with

socket weld, butt weld or flanged connections. It has low capacity

specifically designed for superheated mains drainage applications

up to 250 bar g.

Standards

8

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1

11

4

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Materials

No. Part

1

Body

2

Disc

3

Top cover

4

Strainer screen

assembly

5

Bottom cover

6

Seat

7

Cover gasket

8

Cover studs

9

Cover nuts

10 Inner seat gasket

11 Cover gasket

12 Ferrule

Note: Item 12 (ferrule) is pressed into item 6 (seat).

Capacities (in accordance with ISO 7842)

This product fully complies with the requirements of the European

Pressure Equipment Directive 97/ 23 / EC.

6 +12

10

ASTM A182 F22

BS EN ISO 4957

ASTM A182 F22

BS 970 304 S15/

Sintered stainless

Certification

This product is available with certification to EN 10204 3.1.

Note: All certification/inspection requirements must be stated at

the time of order placement.

Sizes and pipe connections

1⁄2", 3⁄4" and 1" Butt weld ends to suit Schedule 160 pipe.

1⁄2", 3⁄4" and 1" Socket weld ends to ASME (ANSI) B 16.11 Class 6000.

DN15 and DN25 standard integral flangeEN1092PN160andPN250.

DN15, DN20 and DN25 standard integral flanges: EN1092PN100,

ASME (ANSI) Class 600, 900 and 1500.

Pressure / temperature limits (ISO 6552)

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Material

Alloy steel

Steel

Alloy steel

Stainless steel

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ASTM A182 F22

BS 4659 Gr. BD2

Alloy steel

Steel

Spirally wound stainless steel

with exfoliated graphite filler

Steel

ASTM A193 Gr. B16

Steel

ASTM A194 Gr.4

Spirally wound stainless steel

with exfoliated graphite filler

Spirally wound stainless steel

with exfoliated graphite filler

Stainless steel

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The product must not be used in this region.

Flanged to EN 1092 PN250, socket weld and butt weld ends.

Flanged to ASME (ANSI) Class 1500.

Flanged to EN 1092 PN160.

Flanged to ASME (ANSI) Class 900.

Flanged to ASME (ANSI) Class 600.

Flanged to EN 1092 PN100.

Pressure bar g

Note: If the product is used at pressures above 170 bar g we would

recommend regular inspection of the seat.

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Body design conditions

PMA Maximum allowable pressure

TMA Maximum allowable temperature

Minimum allowable temperature

PMO

Maximum operating pressure

for saturated steam service

TMO Maximum operating temperature

Minimum operating temperature

PN250

250 bar g @ 300°C

550°C @ 80 bar g

-29°C

220 bar g @ 374°C

550°C @ 80 bar g

0°C

Note: For lower operating temperatures consult Spirax Sarco

PMOB

Maximumoperatingbackpressureshouldnotexceed50%

of the upstream pressure

Minimum operating differential pressure

8 bar g

Designed for a maximum cold hydraulic test pressure of 375 bar g

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Differential pressure bar (x 100 = kPa)

Hot water capacity

Cold water capacity

Local regulations may restrict the use of this product to below the conditions quoted.

In the interests of development and improvement of the product, we reserve the right to change the specification without notice.

© Copyright 2011

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